(noun) a dance that requires you to bend your left knee, maybe even lift up your leg, put your hands in a pushing over motion to the side and say OOOOHHHHHHHHHHHHHHH
Annie did the mullen shake.
Sarah did the mullen shake.
Natalie did the mullen shake.
Chandler did the mullen shake.
Usually plastic glasses with horizontal pieces of plastic going across. in place of actual lenses, which totally defeats the purpose of the glasses. They were originally made popular in the 80's, which is contrary to popular belief because of a dipfuck named Kanye West. Now everybody thinks the glasses are his, but in reality, he's an unoriginal fuck.
Megafuck: I lyk dez kany e wess shutter shadesglasses deykoo.